jock

The penis; the crotch: I'll be beating the bushes with snow to my jock(1790+)

An athletic supporter; jockstrap: I asked him if he wanted some sweat clothes, or a jock(1952+)

(also jocko) An athlete •Now used of both men and women, despite the phallic derivation: The players themselves are a curious blend of woman and jock/ the lucrative job proper to an all-Ivy jock(1963+)

[the basic etymon is jock, ''penis,'' fr jack, probably the diminutive of John, which fr the 14th century has been applied to males, malelike things, and male organs; the sense ''athlete'' is fr jockstrap]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.Copyright (C) 2007 by HarperCollins Publishers.Cite This Source